Method for calibrating characteristic waves of power network by utilizing clock stamp
A power network and clock stamping technology, applied to clocks, clocks, electrical components, etc. driven by synchronous motors, can solve problems such as large clock errors, unreasonable conclusions, misunderstandings, etc., reduce data transmission volume, improve computing efficiency, eliminate The effect of low precision
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Embodiment 1
[0027] A method for calibrating the characteristic wave of the power grid by using a clock stamp. It receives Beidou / GPS satellite signals and generates standard time information; while sampling the voltage and current waveforms of the power grid, it records the moment when the sampling interruption signal occurs, and generates a clock stamp. , and use the clock stamp to calibrate the characteristic wave of the power grid, which specifically includes the following steps:
[0028] ①Sampling the voltage and current waveforms of the power grid to obtain discrete voltage and current sampling values; while sampling, receive signals from Beidou / GPS satellites, generate standard time information, maintain and process the above time information, and record the sampling When the interrupt signal occurs, a clock stamp is generated. The above-mentioned maintenance and processing of time information includes calling the time control algorithm, time format conversion algorithm, time zone c...
Embodiment 2
[0044] A method for calibrating the characteristic wave of the power grid by using a clock stamp. It receives Beidou / GPS satellite signals and generates standard time information; while sampling the voltage and current waveforms of the power grid, it records the moment when the sampling interruption signal occurs, and generates a clock stamp. , using the above-mentioned clock stamp to calibrate the characteristic wave of the power grid, which includes the following steps:
[0045] ①Sampling the voltage and current waveforms of the power grid to obtain discrete voltage and current sampling values; while sampling, receive signals from Beidou / GPS satellites, generate standard time information, maintain and process the above time information, and record the sampling When the interrupt signal occurs, a clock stamp is generated. The above-mentioned maintenance and processing of time information includes time control, time format conversion, time zone conversion and leap second calcu...
Embodiment 3
[0051] A method for calibrating the characteristic wave of the power grid by using a clock stamp. It receives Beidou / GPS satellite signals and generates standard time information; while sampling the voltage and current waveforms of the power grid, it records the moment when the sampling interruption signal occurs, and generates a clock stamp. , using the above-mentioned clock stamp to calibrate the characteristic wave of the power grid, which includes the following steps:
[0052] ①Sampling the voltage and current waveforms of the power grid to obtain discrete voltage and current sampling values; while sampling, receive signals from Beidou / GPS satellites, generate standard time information, maintain and process the above time information, and record the sampling When the interrupt signal occurs, a clock stamp is generated.
[0053] ② First, filter the discrete voltage and current sampling values, and then perform fast Fourier transform to obtain the amplitude and phase of the ...
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